By the end of this decade it is quite probable that Central Texas will be the electric heart of the nation’s number one defense communications system, an enormous underground radio transmitter covering somewhere between 1600 to 3200 square miles. It will be located approximately 60 miles northwest of Austin in the hill country around Lake LBJ. The Navy has given it the code designation Project Sanguine. Although 15 years and over $58 million have been spent on Sanguine to date, final plans for its construction have not yet been submitted to Congress.
Texas was not the only site considered for Sanguine, nor was it the Navy’s first choice. Originally the Navy wanted Sanguine built in the Chequamegon National Forest in northern Wisconsin, but opposition from the state’s leading environmentalists and politicians forced them to look elsewhere. On January 10, 1973, then Secretary of Defense Melvin Laird, a Wisconsin resident, directed the Navy to concentrate on Texas in their planning for Sanguine.
Sanguine would enable the Navy to send messages to its submerged